SPS COMM INC

Ticker: SPSC CUSIP: 78463M107 Class: EQTY

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019

Shares 1,500 Value ($000) $159 Avg Close $48.98 Range $39.91 - $56.66

Q4 2018

Shares 9,845 Value ($000) $811 Avg Close $43.62 Range $37.91 - $49.88

Q3 2018

Shares 310 Value ($000) $31 Avg Close $44.79 Range $36.44 - $50.34

Q2 2018

Shares 34 Value ($000) $2 Avg Close $35.47 Range $30.93 - $39.28

Q1 2018

Shares 184 Value ($000) $12 Avg Close $28.29 Range $24.23 - $32.65

Q4 2017

Shares 2,562 Value ($000) $124 Avg Close $25.67 Range $22.51 - $30.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	1,500	$159	$48.98	$39.91 - $56.66
Q4 2018	9,845	$811	$43.62	$37.91 - $49.88
Q3 2018	310	$31	$44.79	$36.44 - $50.34
Q2 2018	34	$2	$35.47	$30.93 - $39.28
Q1 2018	184	$12	$28.29	$24.23 - $32.65
Q4 2017	2,562	$124	$25.67	$22.51 - $30.48